The tool freshclam is used to download and update ClamAV's official virus signature databases. While easy to use in its base configuration, freshclam does ... FreshClam · SigTool
ClamAV is installed from the official repository, and the database files live in /var/lib/clamav. You can download the three files from the following locations.
This article guides you through updating virus definitions using a computer if you are unable to update the virus definitions using the methods in this article.